Inventor · disambiguated record
Hiroshi Koyama
Also filed as: KOYAMA HIROSHI
137 granted patents·28 pending applications·1,467 citations·filing 1974–2025
99Inventor score
Top patents by PatentIndex Score
165 records- 0195US10127639B2Image processing device having depth map generating unit, image processing method and non-transitory computer readable recording mediumMORPHO INC·Filed 2016·Granted Nov 13, 2018·24 cites·18 claims
- 0294US10280837B2Engine-driven working machineHONDA MOTOR CO LTD·Filed 2017·Granted May 7, 2019·7 cites·3 claims
- 0394US10224783B2Engine-driven working machineHONDA MOTOR CO LTD·Filed 2017·Granted Mar 5, 2019·7 cites·4 claims
- 0493US11520257B2Image forming apparatusCANON KK·Filed 2021·Granted Dec 6, 2022·2 cites·9 claims
- 0593US4566299AControl method and apparatus for rolling millHITACHI LTD·Filed 1984·Granted Jan 28, 1986·27 cites·6 claims
- 0690US6476467B2Semiconductor device and process for producing the sameHITACHI LTD·Filed 2001·Granted Nov 5, 2002·56 cites·9 claims
- 0789US12441619B2Surface-modified nanodiamonds and method for producing surface-modified nano carbon particlesDAICEL CORP·Filed 2023·Granted Oct 14, 2025·0 cites·13 claims
- 0889US6063321AMethod for forming a casting which includes an insertDENSO CORP·Filed 1996·Granted May 16, 2000·68 cites·6 claims
- 0988US6166684AArtificial satellite navigation system and methodMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Dec 26, 2000·66 cites·14 claims
- 1088US5225008AMethod for manufacturing a high-strength springNHK SPRING CO LTD·Filed 1992·Granted Jul 6, 1993·31 cites·5 claims
- 1186US7779792B2Air-cooled engineHONDA MOTOR CO LTD·Filed 2006·Granted Aug 24, 2010·18 cites·10 claims
- 1286US4430547ACleaning device for a plasma etching systemMITSUBISHI ELECTRIC CORP·Filed 1981·Granted Feb 7, 1984·63 cites·6 claims
- 1385US9508173B2Image processing device having depth map generating unit, image processing method and non-transitory computer redable recording mediumMORPHO INC·Filed 2014·Granted Nov 29, 2016·9 cites·30 claims
- 1485US4880975AFine adjustment mechanism for a scanning tunneling microscopeMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Nov 14, 1989·48 cites·14 claims
- 1585US2024425314A1Image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 1684US5258082AHigh strength springNHK SPRING CO LTD·Filed 1993·Granted Nov 2, 1993·25 cites·5 claims
- 1783US11170262B2Training system, training device, method for training, training data creation device, training data creation method, terminal device, and threshold value changing deviceMORPHO INC·Filed 2016·Granted Nov 9, 2021·5 cites·14 claims
- 1883US7291302B2Manufacturing method for synthetic resin hollow molded bodyTOYODA BOSHOKU KK·Filed 2006·Granted Nov 6, 2007·7 cites·3 claims
- 1982US6914719B2Light reflectorYUPO CORP·Filed 2004·Granted Jul 5, 2005·24 cites·22 claims
- 2082US5107114AFine scanning mechanism for atomic force microscopeMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Apr 21, 1992·45 cites·16 claims
- 2181US7548372B2Light reflector and planar light source deviceYUPO CORP·Filed 2005·Granted Jun 16, 2009·11 cites·14 claims
- 2281US6627374B2Process and system for producing toner particlesCANON KK·Filed 2001·Granted Sep 30, 2003·21 cites·15 claims
- 2381US6495303B1Process of producing polymerized tonerCANON KK·Filed 2000·Granted Dec 17, 2002·20 cites·7 claims
- 2481US4947042ATunnel unit and scanning head for scanning tunneling microscopeMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Aug 7, 1990·39 cites·42 claims
- 2581US2025092914A1Bearing element manufacturing method, bearing manufacturing method, machine manufacturing method, vehicle manufacturing method, bearing element, bearing, machine, and vehicleNSK LTD·Filed 2024·Application pending·0 cites
- 2680US10122245B2Engine-driven working machineHONDA MOTOR CO LTD·Filed 2017·Granted Nov 6, 2018·2 cites·4 claims
- 2780US7887894B2Packaging bag and drying agent with moisture absorption indicator functionKYODO PRINTING CO LTD·Filed 2006·Granted Feb 15, 2011·4 cites·10 claims
- 2880US5391821AProcess for producing carboxylic acidsDAICEL CHEM·Filed 1994·Granted Feb 21, 1995·17 cites·99 claims
- 2980US5214203AProcess for producing carboxylic acidsDAICEL CHEM·Filed 1992·Granted May 25, 1993·18 cites·26 claims
- 3079US6278176B1Semiconductor device and process for producing the sameHITACHI LTD·Filed 2000·Granted Aug 21, 2001·24 cites·11 claims
- 3178US12110206B2Image forming apparatusCANON KK·Filed 2022·Granted Oct 8, 2024·0 cites·9 claims
- 3276US10527999B2Cartridge unit and image forming apparatus having features to prevent erroneous cartridge unit lockingCANON KK·Filed 2018·Granted Jan 7, 2020·1 cites·9 claims
- 3376US8870559B2Melt spinning apparatus and melt spinning methodOYAMADA MAI·Filed 2011·Granted Oct 28, 2014·3 cites·5 claims
- 3476US8821235B2Non-transitory computer-readable storage medium and server deviceDENA CO LTD·Filed 2013·Granted Sep 2, 2014·7 cites·6 claims
- 3576US6610638B1High purity 1,3-propanediol derivative solvent, process for producing the same, and use thereofDAICEL CHEM·Filed 2000·Granted Aug 26, 2003·8 cites·7 claims
- 3676US6533440B2Light reflectorYUPO CORP·Filed 2001·Granted Mar 18, 2003·17 cites·7 claims
- 3776US6309579B1Method for forming a casting which includes an insertNIPPON DENSO CO·Filed 1999·Granted Oct 30, 2001·29 cites·5 claims
- 3875US11560619B2Laminate and method of producing the same, and gas barrier film and method of producing the sameTOPPAN PRINTING CO LTD·Filed 2020·Granted Jan 24, 2023·0 cites·7 claims
- 3975US7894931B2Method and apparatus for prediction of amount of deformation due to shrinkage of molded articleDENSO CORP·Filed 2008·Granted Feb 22, 2011·6 cites·9 claims
- 4075US6116159APaper wrinkle preventing deviceTOKYO KIKAI SEISAKUSHO LTD·Filed 1999·Granted Sep 12, 2000·22 cites·7 claims
- 4175US4945235AFine adjustment mechanism for a scanning tunneling microscopeMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Jul 31, 1990·30 cites·14 claims
- 4274US8311249B2Information processing apparatus, method and programKOYAMA HIROSHI·Filed 2007·Granted Nov 13, 2012·7 cites·14 claims
- 4373US12479731B2Surface-modified nanodiamonds and method for producing surface-modified nano carbon particlesDAICEL CORP·Filed 2020·Granted Nov 25, 2025·0 cites·10 claims
- 4473US8685312B2Melt spinning method and apparatusKOYAMA HIROSHI·Filed 2011·Granted Apr 1, 2014·1 cites·2 claims
- 4573US6034737ATV set and a combination apparatus of a TV set and an AV amplifierSONY CORP·Filed 1997·Granted Mar 7, 2000·45 cites·2 claims
- 4672US8685311B2Melt spinning methodKOYAMA HIROSHI·Filed 2011·Granted Apr 1, 2014·1 cites·5 claims
- 4772US5032700AMethod of heating thermoplastic bottle of preform and method of controlling temperature of heating member utilized by the heating methodTOYO SEIKAN KAISHA LTD·Filed 1988·Granted Jul 16, 1991·26 cites·23 claims
- 4871US10557505B2Method and device for manufacturing bearing unitNSK LTD·Filed 2016·Granted Feb 11, 2020·1 cites·4 claims
- 4971US9897967B2Cleaning unit and image forming apparatusCANON KK·Filed 2016·Granted Feb 20, 2018·1 cites·11 claims
- 5071US8585387B2Manufacturing apparatus for nonwoven fabricOYAMADA MAI·Filed 2011·Granted Nov 19, 2013·2 cites·4 claims
Showing the top 50 of 165 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →